i want to bring in the chief economist brian west burr riff. share -- brian wesbury.at some much you are your other date at that particularly on mask findings. it was amazing. >> thank you, charles. we've been publishing a every other week a covid tracker. looking at data you don't get every day. it is all out there but very few people present it in a way we try to do. so one of the things we put in our most recent one, we do surveys. we can't, we don't know how many people actually wear masks. but if you ask people, do you wear a mask, about 80% of americans have said since july of last year, july of 2020, all the way through today with very little change, 80% of them have been wearing masks and during that time we had a bump. we had a little surge. then we had a big surge. both of them ended. yet mask wearing has not changed. what i asked when we published this chart is, where's the evidence that masks have actually worked in stopping the transfer of covid between people? i just don't see it. i think it has more to do with its just winding down. i think vaccines are